Automobile-tire.



. No. 856,657. PATENTED JUNE 11, 1907.

c. P. OBREOHT.

AUTOMOBILE TIRE.

APPLICATION IILBD 1'23. 9 1901.

' Baltimore city and State tires to be cut and tire or casing 8 is secured at its edges in any .ments in Automobile-Tires, of which the fol- UNiTED STATES PATENT OFFICE...

CHARLES F. OBRECHT, OF BALTIMORE, MARYLAND.

AUTOMOBILE-TIRE- No. 856,657. Specification of Letters Patent.

Application filed February 9,1907, Serial No. 356,504.

Yatented June 11, 1907.:

To all whom it may concern:

Be it known that 1, CHARLES F. OBRECHT, a citizen of the United States, residing at of Maryland, have invented certain new and useful Improvedemonstrated by actual practice that it is not necessary to secure the springs to the channel other than in the manner as herein described. Asfmany of the springs are employed as may be required to afford support for the rub- My invention relates to an improvement in ber tire or casing and they may be placed at wheel tires for automobiles and the like and suitable intervals apart, for this purpose. the object is to decrease the liability of the From the foregoing it will be seen that a unctured and afford at 1 simple means is provided for supporting and the same time a yiel 'ng compressible lateral l sustaining the weight applied upon the rubinternal support for the rubber tire or casing. her tire, and at the same time to all intents With the foregoing object in view, my i and purposes the tire is puncture proof and vention consists in certain novel features of l at the same time the tire is rendered elastic construction and combinations of parts,

and resilient and responsive to compression, which will be hereinafter described and pointed out in the claims.

and strain, and quickly resumes its normal condition upon the excessive strain or pres- In the accompanying drawings Figure 1 1S sure being removed a side view of a wheel, with the parts broken Slight changes might be resorted to in the away to better show the invention, Fig. 2 is a form and arrangement of the several parts transverse section and Fig. 3 is a detail view described without departing of the spring. and scope of my invention, and hence A. represents a wheel, 1, the spokes; 2 is not desire to limit myself to the exact con; the rim of the wheel; 3 is a channel secured struction as herein set forth; but onthe rim; 4 is a flat circumferential bent Having fully described my invention, metal rod adapted to fit within the channel 3 I claim as new and and to conform to the shape of the rim; 5 is a ters Patent, is: semi-elliptic transversely bent spring made The combination with a rim provided with from a single piece of metal, the ends of which a grooved channel secured thereon, of fiat are bent downward forming a curvature 6 on circuinferentially bent metal rods, semieach respect ve end, the said spring being seelliptic transversely bent springs secured to cured to the circumferential bent rod 4 by the said rods, a transversely bent metal strip means of the rivet 7; 8 is the rubber tire or placed above the said springs thereby securcasing and 9 is a metal strip transversely bent' ing the said springs within the said channel, a to conform to the curvature of the springs rubber tire or casing fitted over the said and fits over the several springs and between metal stri and inclosing the said spring, the them and the rubber tire or casing 8, which edges of the said the or casing being secured fits over them and incloses them, this metal l within the grooves in the said channel substrip providing a slidable means and afl'ordstantially as described. ing a means of resiliency to the springs, the 1 In testimony whereof I affix my signature 1 in presence of two witnesses. convenient manner within the grooves 10 of l 4 CHARLES F. ()BRECHT. the channel 3. The ends of the rods 4 prefl lNitnesses: erably engage each other at the ends thereof MARY M. Maenaw, as shown at 11, and if necessary may be se- E. WALTON Bmzwmo'roiv.

lowing is a specification.

what desire to secure by Letfrom the s irit cured to the channel 3 of the rim 2 by any suitable means (not shown) it has been 

